תוכן ההודעה ניתן לעריכה מהמערכת ניהול בחלק של עמודים

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ראשי > ניסויים > מתמטיקה > סכום 15 חידה למתחכמים :)

שם כותב הניסוי: מערכת מדעי

פורסם ב 16/12/2023

עודכן ב 16/12/2023

מתמטיקה

מתמטיקה

קבוצת גיל: 9 ומעלה
דרגת קושי: בינונית

סכום 15 חידה למתחכמים :)

הכנה

הדפיסו את התמונה והתחילו לצבוע את הפתרון.

בחידה הזאת שהיא בעצם גם סוג של משחק כל שחקן בוחר צבע ( תכלת או ירוק)

ואז בתור שלו צובע בו מספר אחד.

השחקן הראשון שצובע שלושה מספרים שהסכום שלהם הוא 15 בדיוק מנצח.

מהי בעצם האסטרטגיה הכי טובה לנצח את המשחק?

מושג השקילות המטמטית הוא המפתח לניצחון במשחק.

האסטרטגיה הכי טובה היא ריבוע הקסם, זוכרים את המשחק?

את הריבוע ממלאים במספרים מ1 עד 9 כך שהסכום של כל שורה טור או אלכסון ראשי הוא 15. אם כך כפי שאפשר לראות סימון של שלושה מספרים שסכומם 15 שקול למשחק איקס עיגול.

מכאן מבינים שהאסטרטגיה הכי טובה היא לשנן את ריבוע הקסם ולתקוף ולהתגונן כאילו אתם משחקים באיקס עיגול.

המהלך הראשון הכי טוב הוא לסמן את מספר 5!

תגובות

הצג תגובות נוספות

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